Flo~Pro Twister Resonator F4 Series Exhaust Muffler | 4" Round - 2 1/4" In/Out - 23" Length | 41744

The Flo~Pro F4 Series Twister Resonator features a continuous spiral design which is less restrictive than glass-packed designs helping to minimize turbulence which increases horsepower over other spiral designs. The dual flow path cancels noise and creates a vacuum effect accelerating the exhaust through the muffler. 4" Round - 2-1/4" In/Out - 23" Length.

Features

• Low interior resonance
• High quality at an affordable price
• Expertly made from premium materials

Notes

• To ensure precise fit, please check catalytic converter shape, length and inlet diameter: the latter should match your exhaust pipe diameter
• Installation may involve welding and cutting

Specifications

• Style: High Flow "Twister"
• Sound: Minimal volume reduction; very good at eliminating mid-range drone
• Material: Aluminized Steel
• Center Inlet: 2.25"
• Center Outlet: 2.25"
• Overall Length: 23"
• Body Diameter: 4"
• Body Length: 17"

F4 Series - 4" Round

Inlet Outlet Part # 2-1/4" 2-1/4" 41244 2-1/2" 2-1/2" 41255 3" 3" 41277 3-1/2" 3-1/2 41288	Inlet Outlet Part # 2-1/4" 2-1/4" 41744 2-1/2" 2-1/2" 41755 3" 3" 41777 3-1/2" 3-1/2 41788
Inlet Outlet Part # 2-1/4" 2-1/4" 412244	Inlet Outlet Part # 2-1/4" 2-1/4" 415975

F5 Series - 5" Round

Inlet Outlet AL SS 3" 3" 51277 - 3-1/2" 3-1/2" 51288 - 4" 4" 51299 71299 5" 5" 51600 71600

Inlet Outlet AL SS 3" 3" 51777 - 3-1/2" 3-1/2" 51788 - 4" 4" 51799 71799